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US4314798A - Apparatus for arrangement of combined stationary and slip form casting of concrete - Google Patents

Apparatus for arrangement of combined stationary and slip form casting of concrete Download PDF

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Publication number
US4314798A
US4314798A US06/130,610 US13061080A US4314798A US 4314798 A US4314798 A US 4314798A US 13061080 A US13061080 A US 13061080A US 4314798 A US4314798 A US 4314798A
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United States
Prior art keywords
boards
halves
slipform
casting
concrete
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Expired - Lifetime
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US06/130,610
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English (en)
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John P. Pettersson
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
    • E04G11/22—Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising and which are not anchored in the hardened concrete; Arrangements of lifting means therefor

Definitions

  • This invention relates to an arrangement for casting concrete walls by using a combination of stationary and slipforms.
  • the arrangement also could be called a climb-slip form.
  • a climbform subtantially comprises two parallel upright walls, so-called form halves, between which concrete is poured. Climbforms often are lifted at fixed steps by means of a crane when a wall is being cast.
  • a slipform also comprises two form halves, but different from a climbform, is caused to successively slide upwards while concrete is being poured substantially continuously or at equal time intervals.
  • the rising rate at slipform casting is about 1 m/8 hours, i.e. 1 m/shift. At three-shift construction work the rising rate, thus, is 3 m/day.
  • the rising rate is limited by the setting time of the concrete, becaue a lower wall portion already cast is utilized for guiding and supporting the slipform.
  • Wages constitute a substantial part of the variable construction costs, and it is, therefore, strongly desired to make a more efficient use of the concrete setting time, so that less than three entire shifts are required for casting at maintained rising rate per day.
  • the present invention which relates to a combined stationary and slipform, renders it possible to case at the highest possible rising rate per day by working only in two shifts.
  • the invention also renders it possible to change between stationry form casting and slipform casting to the extent desired, without form exchange.
  • the invention further permits simple casting of section walls, block walls or the like.
  • the present invention relates to an arrangement for combined stationary form and slipform casting, comprising a slipform yoke capable of carrying two form halves, between which concrete is to be poured, for example for a wall or the like.
  • the invention is characterized in that said form halves each comprise a so-called supporting form half, which is expansible in the casting direction, so that the support surface of the supporting form half after expansion has increased substantially, for example doubled, and the resulting support surface of the supporting form half is capable to serve as a support in a further form half.
  • FIG. 1 is a schematic sectional view of an arrangement according to the invention
  • FIG. 2 is a perspective view of a supporting form half according to the invention
  • FIG. 3--6 show in sequence the arrangement utilized in a first embodiment according to the present invention
  • FIGS. 7 and 8 show in sequence the arrangement utilized in a second embodiment according to the present invention.
  • FIG. 1 a slipform is shown, on which the present invention is applied.
  • the slipform comprises a slipform yoke 1, which is carried on two yoke legs 2.
  • Each yoke leg 2 is capable of carrying a form half 3-4 as shown in FIG. 1. It may also occur that the form halves 3-4, besides being carried by the yoke legs 2, are carried by stays between a working deck 5 and the yoke legs 2. Concrete is intended to be poured between the form halves 3-4.
  • a vertical wall portion already cast is designated by 6.
  • the yoke 1, thus, is substantially horizontal, and the yoke legs 2 are substantially vertical when a vertical wall is being cast.
  • a vertical jack pipe 7 is inserted in the wall 6 already cast and intended to project upward through the slipform yoke 1.
  • a jack 8 or the like is provided and intended to act as lifting means for the slipform by means of the jack pipe 7, with which the jack 8 co-operates.
  • Each form half 3-4 comprises substantially a supporting form half 3 and a form panel 4, for example of plywood, which is intended to be located between the supporting form half 3 and the concrete and is supported by the supported form half 3.
  • the form halves 3 have inner surfaces facing one another.
  • every supporting form half 3 is expansible in the casting direction, i.e. upward in FIGS. 1 and 2.
  • the area of the support wall 9 of the supporting form half is intended to be increased substantially, for example doubled.
  • the resulting support wall of the supporting form half is capable of acting as a support in an expanded portion of a form half, as will become apparent from the following.
  • FIG. 2 an embodiment of said expansible supporting form half 3 is shown in partially expanded state.
  • the support wall of such a supporting form half consists of substantially identical boards 10, which are located in one plane in parallel and side by side one another.
  • the supporting form half is arranged so, that alternating boards or every second board 10-11 is associated with a first upper portion 12 of the supporting form half, and every other second board 10-13 is associated with a second lower portion 14 of the supporting form half.
  • Each board 10,11,13 according to FIG. 2, of course, can consist of a group of two or more boards 10 arranged in a corresponding manner.
  • said portions are so arranged, for example by transverse boards 15,16 and 17 joining the boards associated with each portion, that expansion of the supporting form half is effect by first portion 12 being moved upward in the longitudinal direction of the boards 10 in relation to the second portion 14.
  • said support surface has increased in size and substantially consists of boards 11,13 located to the side of one another, where the distance between two adjacent boards slightly exceeds their width in the plane of the support wall 9.
  • transverse boards 15,16 and 17 are provided.
  • the numeral 18 designates means, which are provided in connection with the yoke legs 2 and said supporting form halves 3 and arranged so, that the position of the supporting form halves 3 in relation to the cast concrete 6 can be varied in a direction substantially perpendicular or normal to the casting direction.
  • the means 18, which for example may be pneumatically or hydraulically operated cylinders, further are so arranged that the pressure of the supporting form halves against the cast concrete, the pressure on formwork, can be varied, and among other things be entirely relieved.
  • FIG. 1 an embodiment of these means is shown, but a variety of embodiments, of course, can be imagined.
  • FIGS. 3-6 casting by means of a form for combined stationary and slipform casting according to the present invention is shown in successive steps. The mode of operation of the invention is described below with reference to said Figures.
  • FIG. 3 a situation of slipform casting is shown where casting with successive upward movement of the form has gone on, for example, for almost two 8-hours shifts.
  • the lower wall portion 19 in FIG. 3 has solidified and can assist in supporting the form arrangement.
  • the upper wall portion 20, however, has not solidified and consequently has relatively low carrying capacity. If the casting would continue with a conventional slipform at the highest rising rate permitted by the setting time of the concrete, i.e. about 3 m/day, an additional 8-hours shift of slipform casting would be required.
  • slipform casting is exchanged against stationary form casting, whereby about one hour before the end of the second shift arrangements according to above are made, while slipform casting is going on, to cast before the end of this shift a wall portion, which substantially corresponds to the portion which can be cast by slipform casting during one shift.
  • FIG. 4 a situation is shown, where a stationary form portion has been brought about by means of the invention.
  • the upper portion 12 of each supporting form half 3 has been lifted, whereby the supporting form half has expanded and the area of the support wall has increased substantially by a portion 21.
  • a form panel 4 further has been placed in connection to the resulting support surface 21.
  • the form panels 4 preferably project upward above the supporting form halves and, thus, have a free portion 22.
  • the resulting stationary form arrangement is supported against the yoke legs 2 by means of the transverse boards 15 on portion 12 and by means of transverse supporting boards 23 at the upper free portion 22 of the form panels 4, as shown in FIG. 4.
  • FIG. 5 thus, also a situation is shown where the concrete poured in the stationary form portion has solidified during one shaft, and a new first shift is started.
  • the pressure on formwork is relieved by the means 18, which are provided for this purpose, and a small clearance between the form halves and the cast concrete is brought about.
  • the expansible supporting form halves are pushed together to a position corresponding to that shown in FIGS. 3 and 6, i.e. to the unexpanded position, and the form panels 4 associated with the stationary form portion are removed.
  • FIGS. 7 and 8 an alternative arrangement is shown, where the form panels 4 arranged somewhat different from the case described above.
  • FIG. 7 a condition is shown subsequent to that shown in FIG. 5.
  • the form panels 25 associated with the original slipform portion have been detached from the supporting form halves portions 14, and the supporting form halves 3 have been pushed together to an unexpanded position.
  • the supporting form halves 3 further have been lifted in relation to the two form panels 4 in connection to each supporting form half 3.
  • the form panels 4 associated with the stationary portion in this way replace the form panels 25 of the slipform portion after the supporting form halves 3 have been lifted additionally, and slipform casting is carried out during two eight-hour shifts, see FIG. 8.
  • the original form panels 25 of the slipform portion are hooked in a suitable way on the slipform portion and later on are dismounted and used when the stationary form portion is to be arranged during the final phase of the second shift.
  • the present invention offers the possibility of casting with a number of hands corresponding to two shifts with the highest rate permitted by the setting time of the concrete.
  • a conventional form requires a number of hands corresponding to three shifts. It is further possible to change between slipform casting and stationary form casting to the extent desired.
  • the invention also renders it possible to cast section walls or the like, which cannot be cast with conventional forms.
  • the section is changed at the change between the form types, i.e. stationary form and slipform.
  • the supporting form halves can be arranged to expand in a different way than described here.
  • the supporting form halves may also be designed in a different way.
  • a number of different embodiments of the means 18 can also be imagined.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
US06/130,610 1979-03-16 1980-03-17 Apparatus for arrangement of combined stationary and slip form casting of concrete Expired - Lifetime US4314798A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7902383A SE428947B (sv) 1979-03-16 1979-03-16 Expanderbar glidform
SE7902383 1979-03-16

Publications (1)

Publication Number Publication Date
US4314798A true US4314798A (en) 1982-02-09

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ID=20337564

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US06/130,610 Expired - Lifetime US4314798A (en) 1979-03-16 1980-03-17 Apparatus for arrangement of combined stationary and slip form casting of concrete

Country Status (8)

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US (1) US4314798A (fi)
DE (1) DE3009918A1 (fi)
ES (1) ES8100693A1 (fi)
FI (1) FI800818A (fi)
FR (1) FR2451432A1 (fi)
GB (1) GB2049780B (fi)
NO (1) NO800749L (fi)
SE (1) SE428947B (fi)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173309A (en) * 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
US5533888A (en) * 1990-08-21 1996-07-09 Belarde; John F. Apparatus for forming concrete barriers
US20090049762A1 (en) * 2007-08-22 2009-02-26 Thornton-Termohlen Group Corporation Building Core Slipform
EP2365158A1 (en) 2010-03-12 2011-09-14 Siemens Aktiengesellschaft Apparatus for slipform casting
EP2574705A1 (en) 2011-09-30 2013-04-03 Siemens Aktiengesellschaft Wind turbine tower
US20130183102A1 (en) * 2010-10-01 2013-07-18 Kvaemer Engineering AS Slip formed concrete structure
US8621817B1 (en) * 2010-12-03 2014-01-07 Kenneth Robert Kreizinger Vertical vibrating screed
US20140157715A1 (en) * 2011-07-17 2014-06-12 Philipp Wagner Method and Sliding Form for Producing a Structure and Corresponding Structure
EP2942453A1 (en) 2014-05-05 2015-11-11 Siemens Aktiengesellschaft Wind turbine tower, and method of production thereof
US9567981B2 (en) 2011-09-30 2017-02-14 Siemens Aktiengesellschaft Wind turbine tower and method of production thereof
US10738499B2 (en) * 2016-02-26 2020-08-11 Acciona Windpower, S.A. Concrete towers manufacturing method for wind turbines and concrete tower for wind turbine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198777A (en) * 1986-12-10 1988-06-22 James Cowan Allison Extendable plank

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393506A (en) * 1920-09-21 1921-10-11 Harry L Copeland Moving form for concrete construction
US1628752A (en) * 1926-12-16 1927-05-17 E W Sproul Company Form for concrete wall construction
US1638583A (en) * 1926-08-07 1927-08-09 Will E Keller Concrete wall construction
US3497579A (en) * 1965-03-25 1970-02-24 Maurice Barron Slip forming apparatus and method
US3705776A (en) * 1970-12-09 1972-12-12 Rolf Anders Johansson Apparatus for slip-forming
US4076778A (en) * 1975-04-22 1978-02-28 Alan Charles Whitting Climbing formwork

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779678A (en) * 1971-02-09 1973-12-18 Cottrell Res Inc Apparatus for constructing concrete walls

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393506A (en) * 1920-09-21 1921-10-11 Harry L Copeland Moving form for concrete construction
US1638583A (en) * 1926-08-07 1927-08-09 Will E Keller Concrete wall construction
US1628752A (en) * 1926-12-16 1927-05-17 E W Sproul Company Form for concrete wall construction
US3497579A (en) * 1965-03-25 1970-02-24 Maurice Barron Slip forming apparatus and method
US3705776A (en) * 1970-12-09 1972-12-12 Rolf Anders Johansson Apparatus for slip-forming
US4076778A (en) * 1975-04-22 1978-02-28 Alan Charles Whitting Climbing formwork

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173309A (en) * 1990-08-21 1992-12-22 Belarde John F Apparatus for forming concrete barriers
US5290492A (en) * 1990-08-21 1994-03-01 Belarde John F Method for forming concrete barriers
US5533888A (en) * 1990-08-21 1996-07-09 Belarde; John F. Apparatus for forming concrete barriers
US5616291A (en) * 1990-08-21 1997-04-01 John-Wayne Construction Company, Inc. Method for forming concrete barriers
US20090049762A1 (en) * 2007-08-22 2009-02-26 Thornton-Termohlen Group Corporation Building Core Slipform
US20110223272A1 (en) * 2010-03-12 2011-09-15 Henrik Stiesdal Apparatus for slipform casting
EP2365158A1 (en) 2010-03-12 2011-09-14 Siemens Aktiengesellschaft Apparatus for slipform casting
US20130183102A1 (en) * 2010-10-01 2013-07-18 Kvaemer Engineering AS Slip formed concrete structure
US8621817B1 (en) * 2010-12-03 2014-01-07 Kenneth Robert Kreizinger Vertical vibrating screed
US20140157715A1 (en) * 2011-07-17 2014-06-12 Philipp Wagner Method and Sliding Form for Producing a Structure and Corresponding Structure
US9657722B2 (en) * 2011-07-17 2017-05-23 X-Tower Consructions GmbH Method and sliding form for producing a structure and corresponding structure
EP2574705A1 (en) 2011-09-30 2013-04-03 Siemens Aktiengesellschaft Wind turbine tower
US9567981B2 (en) 2011-09-30 2017-02-14 Siemens Aktiengesellschaft Wind turbine tower and method of production thereof
EP2942453A1 (en) 2014-05-05 2015-11-11 Siemens Aktiengesellschaft Wind turbine tower, and method of production thereof
US10738499B2 (en) * 2016-02-26 2020-08-11 Acciona Windpower, S.A. Concrete towers manufacturing method for wind turbines and concrete tower for wind turbine

Also Published As

Publication number Publication date
ES490371A0 (es) 1980-12-01
SE428947B (sv) 1983-08-01
FI800818A (fi) 1980-09-17
ES8100693A1 (es) 1980-12-01
FR2451432A1 (fr) 1980-10-10
NO800749L (no) 1980-09-17
GB2049780B (en) 1983-09-14
GB2049780A (en) 1980-12-31
DE3009918A1 (de) 1980-09-25
SE7902383L (sv) 1980-09-17

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